Smyres, G. A. <br/><br/>
Hydrochloric acid-oxygen leaching and metal recovery from copper-nickel bulk sulfide concentrate / 
by G. A. Smyres, K. P. V. Lei, and T. G. Carnahan. 
 - Pittsburgh, Pa. :  U.S. Dept. of the Interior, Bureau of Mines,  1985. 
 - 17 p. :  ill. 
 - Report of investigations / United States Department of the Interior, Bureau of Mines ;  8999 .
 - Report of investigations (United States. Bureau of Mines) ;  8999. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nonferrous metals--Metallurgy.<br/>Sulphides.<br/>Leaching.<br/>Hydrochloric acid.<br/>Oxygen.
<br/><br/><label>Dewey Class. No.: </label>622 s  669/.3�19